1073157287 has 8 divisors (see below), whose sum is σ = 1137716352. Its totient is φ = 1010469600.

The previous prime is 1073157257. The next prime is 1073157307. The reversal of 1073157287 is 7827513701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1073157287 - 2⁶ = 1073157223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073157227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466664 + ... + 468957.

It is an arithmetic number, because the mean of its divisors is an integer number (142214544).

Almost surely, 2^1073157287 is an apocalyptic number.

1073157287 is a deficient number, since it is larger than the sum of its proper divisors (64559065).

1073157287 is an equidigital number, since it uses as much as digits as its factorization.

1073157287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935689.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 1073157287 is about 32759.0794589836. The cubic root of 1073157287 is about 1023.8141469623.

The spelling of 1073157287 in words is "one billion, seventy-three million, one hundred fifty-seven thousand, two hundred eighty-seven".